Home / 156,577.95-216,257.04-103,102.02

Finding the Fourth Proportional to 156,577.95, 216,257.04 and 103,102.02

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Solution

The fourth proportional to 156,577.95, 216,257.04 and 103,102.02 is: 142,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,577.95 : 216,257.04 = 103,102.02 : x
  2. Step 2: Convert to fraction form
    156,577.95/216,257.04 = 103,102.02/x
  3. Step 3: Cross multiply
    156,577.95x = 216,257.04 × 103,102.02
  4. Step 4: Simplify right side
    156,577.95x = 22,296,537,663.22
  5. Step 5: Solve for x
    x = 22,296,537,663.22/156,577.95
  6. Step 6: Final answer
    x = 142,398.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.